diff options
Diffstat (limited to 'plugins/api.c')
| -rw-r--r-- | plugins/api.c | 100 |
1 files changed, 80 insertions, 20 deletions
diff --git a/plugins/api.c b/plugins/api.c index 81f43c9ce8..8fa5a600ac 100644 --- a/plugins/api.c +++ b/plugins/api.c @@ -101,12 +101,15 @@ void qemu_plugin_register_vcpu_tb_exec_cb(struct qemu_plugin_tb *tb, } } -void qemu_plugin_register_vcpu_tb_exec_inline(struct qemu_plugin_tb *tb, - enum qemu_plugin_op op, - void *ptr, uint64_t imm) +void qemu_plugin_register_vcpu_tb_exec_inline_per_vcpu( + struct qemu_plugin_tb *tb, + enum qemu_plugin_op op, + qemu_plugin_u64 entry, + uint64_t imm) { if (!tb->mem_only) { - plugin_register_inline_op(&tb->cbs[PLUGIN_CB_INLINE], 0, op, ptr, imm); + plugin_register_inline_op_on_entry( + &tb->cbs[PLUGIN_CB_INLINE], 0, op, entry, imm); } } @@ -125,13 +128,15 @@ void qemu_plugin_register_vcpu_insn_exec_cb(struct qemu_plugin_insn *insn, } } -void qemu_plugin_register_vcpu_insn_exec_inline(struct qemu_plugin_insn *insn, - enum qemu_plugin_op op, - void *ptr, uint64_t imm) +void qemu_plugin_register_vcpu_insn_exec_inline_per_vcpu( + struct qemu_plugin_insn *insn, + enum qemu_plugin_op op, + qemu_plugin_u64 entry, + uint64_t imm) { if (!insn->mem_only) { - plugin_register_inline_op(&insn->cbs[PLUGIN_CB_INSN][PLUGIN_CB_INLINE], - 0, op, ptr, imm); + plugin_register_inline_op_on_entry( + &insn->cbs[PLUGIN_CB_INSN][PLUGIN_CB_INLINE], 0, op, entry, imm); } } @@ -147,16 +152,18 @@ void qemu_plugin_register_vcpu_mem_cb(struct qemu_plugin_insn *insn, void *udata) { plugin_register_vcpu_mem_cb(&insn->cbs[PLUGIN_CB_MEM][PLUGIN_CB_REGULAR], - cb, flags, rw, udata); + cb, flags, rw, udata); } -void qemu_plugin_register_vcpu_mem_inline(struct qemu_plugin_insn *insn, - enum qemu_plugin_mem_rw rw, - enum qemu_plugin_op op, void *ptr, - uint64_t imm) +void qemu_plugin_register_vcpu_mem_inline_per_vcpu( + struct qemu_plugin_insn *insn, + enum qemu_plugin_mem_rw rw, + enum qemu_plugin_op op, + qemu_plugin_u64 entry, + uint64_t imm) { - plugin_register_inline_op(&insn->cbs[PLUGIN_CB_MEM][PLUGIN_CB_INLINE], - rw, op, ptr, imm); + plugin_register_inline_op_on_entry( + &insn->cbs[PLUGIN_CB_MEM][PLUGIN_CB_INLINE], rw, op, entry, imm); } void qemu_plugin_register_vcpu_tb_trans_cb(qemu_plugin_id_t id, @@ -378,7 +385,7 @@ const char *qemu_plugin_path_to_binary(void) { char *path = NULL; #ifdef CONFIG_USER_ONLY - TaskState *ts = (TaskState *) current_cpu->opaque; + TaskState *ts = get_task_state(current_cpu); path = g_strdup(ts->bprm->filename); #endif return path; @@ -388,7 +395,7 @@ uint64_t qemu_plugin_start_code(void) { uint64_t start = 0; #ifdef CONFIG_USER_ONLY - TaskState *ts = (TaskState *) current_cpu->opaque; + TaskState *ts = get_task_state(current_cpu); start = ts->info->start_code; #endif return start; @@ -398,7 +405,7 @@ uint64_t qemu_plugin_end_code(void) { uint64_t end = 0; #ifdef CONFIG_USER_ONLY - TaskState *ts = (TaskState *) current_cpu->opaque; + TaskState *ts = get_task_state(current_cpu); end = ts->info->end_code; #endif return end; @@ -408,7 +415,7 @@ uint64_t qemu_plugin_entry_code(void) { uint64_t entry = 0; #ifdef CONFIG_USER_ONLY - TaskState *ts = (TaskState *) current_cpu->opaque; + TaskState *ts = get_task_state(current_cpu); entry = ts->info->entry; #endif return entry; @@ -465,3 +472,56 @@ int qemu_plugin_read_register(struct qemu_plugin_register *reg, GByteArray *buf) return gdb_read_register(current_cpu, buf, GPOINTER_TO_INT(reg)); } + +struct qemu_plugin_scoreboard *qemu_plugin_scoreboard_new(size_t element_size) +{ + return plugin_scoreboard_new(element_size); +} + +void qemu_plugin_scoreboard_free(struct qemu_plugin_scoreboard *score) +{ + plugin_scoreboard_free(score); +} + +void *qemu_plugin_scoreboard_find(struct qemu_plugin_scoreboard *score, + unsigned int vcpu_index) +{ + g_assert(vcpu_index < qemu_plugin_num_vcpus()); + /* we can't use g_array_index since entry size is not statically known */ + char *base_ptr = score->data->data; + return base_ptr + vcpu_index * g_array_get_element_size(score->data); +} + +static uint64_t *plugin_u64_address(qemu_plugin_u64 entry, + unsigned int vcpu_index) +{ + char *ptr = qemu_plugin_scoreboard_find(entry.score, vcpu_index); + return (uint64_t *)(ptr + entry.offset); +} + +void qemu_plugin_u64_add(qemu_plugin_u64 entry, unsigned int vcpu_index, + uint64_t added) +{ + *plugin_u64_address(entry, vcpu_index) += added; +} + +uint64_t qemu_plugin_u64_get(qemu_plugin_u64 entry, + unsigned int vcpu_index) +{ + return *plugin_u64_address(entry, vcpu_index); +} + +void qemu_plugin_u64_set(qemu_plugin_u64 entry, unsigned int vcpu_index, + uint64_t val) +{ + *plugin_u64_address(entry, vcpu_index) = val; +} + +uint64_t qemu_plugin_u64_sum(qemu_plugin_u64 entry) +{ + uint64_t total = 0; + for (int i = 0, n = qemu_plugin_num_vcpus(); i < n; ++i) { + total += qemu_plugin_u64_get(entry, i); + } + return total; +} |